Answer:
150 degrees
Step-by-step explanation:
Do 180 minus 30 and get 150. 180 is the total amount the triangle adds up to.
222
Explanation:
first, find f(g(x))
f(g(x))=(5x)2−3
f(g(x))=25x2−3
now, put x=−3
f(g(−3))=25⋅9−3
f(g(−3))=222
